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Proofex External Corner - Cast in-situ waterproof membrane

Tax excluded

Cast in-situ waterproof membrane . Protects concrete from attack from chemicals and aggressive ground salts. Bonds permanently to concrete. A comprehensive range of auxiliary products is available to simplify the application process.


External corner pieces of 125 mm made with polyethylene membrane with one end without mesh in butyl base of 100 mm.

Proofex Engage is a unique patented system that is formed by a mesh attached to a polyethylene membrane that allows the poured concrete to adhere to it forming a firm mechanical bond.

Proofex Engage serves as a barrier against water, water vapor and gases and protects concrete from subsoil salts, chemicals and hydrocarbons.

Proofex Engage comes with a non-mesh end that facilitates overlap. A wide range of auxiliary products are available to facilitate the application process.

Proofex Engage serves as a barrier to water and building gases and civil works structures.


Resistant to attacks of chemicals and aggressive salts of the subsoil
Methane and CO2 protection as defined in BRE Report 212 and radon as defined in BRE Report 211
It forms a firm mechanical bond with the poured concrete remaining attached to the concrete in the event of a land settlement
Simple application - no primer or protective material required
Inert product - there is no risk of reaction with standing water before the concrete is poured
Durable - withstands the weather and resists damage from the construction process.
Can be transited immediately after application
BBA Certification



Ficha técnica Proofex Engage

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